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The polarization tensor is widely used in science and engineering to identify or characterize objects. An object can be represented as its polarization tensor, and an ellipsoid can have the same polarization tensor as the object. Thus, investigating an ellipsoid with its respective polarization tensor might provide additional information about the real object. Motivated by this research, this study aims to develop a standalone application using graphical user interface (GUI) in MATLAB, called the Spherical First Order Polarization Tensor Calculator to enhance computation efficiency related to the first order PT for sphere. This application consists of three main features, which are to calculate the first order PT for sphere, to determine the sphere’s radius, and to illustrate the sphere in a three-dimension graph. A brief demonstration of each function is provided and the application’s reliability is also validated. The findings suggest a quicker approach for computing the first order PT related to sphere, which can serve as a reference for other researchers in related area.